Home / 22,882.64-31,556.39-14,921.96

Finding the Fourth Proportional to 22,882.64, 31,556.39 and 14,921.96

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Solution

The fourth proportional to 22,882.64, 31,556.39 and 14,921.96 is: 20,578.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,882.64 : 31,556.39 = 14,921.96 : x
  2. Step 2: Convert to fraction form
    22,882.64/31,556.39 = 14,921.96/x
  3. Step 3: Cross multiply
    22,882.64x = 31,556.39 × 14,921.96
  4. Step 4: Simplify right side
    22,882.64x = 470,882,956.93
  5. Step 5: Solve for x
    x = 470,882,956.93/22,882.64
  6. Step 6: Final answer
    x = 20,578.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.